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Finding the Fourth Proportional to 125,954.43, 173,825.01 and 69,365.79

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Solution

The fourth proportional to 125,954.43, 173,825.01 and 69,365.79 is: 95,729.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,954.43 : 173,825.01 = 69,365.79 : x
  2. Step 2: Convert to fraction form
    125,954.43/173,825.01 = 69,365.79/x
  3. Step 3: Cross multiply
    125,954.43x = 173,825.01 × 69,365.79
  4. Step 4: Simplify right side
    125,954.43x = 12,057,509,140.41
  5. Step 5: Solve for x
    x = 12,057,509,140.41/125,954.43
  6. Step 6: Final answer
    x = 95,729.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.